静止同步串联补偿器恒功率非线性控制

XIAO Xiangning; ZHAO Yang; YE Meng; WANG Xiaoning

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静止同步串联补偿器恒功率非线性控制

更新时间：2025-08-13

- 静止同步串联补偿器恒功率非线性控制
- Automation of Electric Power Systems Vol. 32, Issue 24, Pages: 16-20(2008)
- 作者机构：
  
  1. 华北电力大学电力系统保护与动态安全监控教育部重点实验室,北京市,102206
  2. 北京电力公司,北京市,100020
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2008
- 稿件说明：
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XIAO Xiangning, ZHAO Yang, YE Meng, et al. [J]. Automation of electric power systems, 2008, 32(24): 16-20.
DOI：

XIAO Xiangning, ZHAO Yang, YE Meng, et al. [J]. Automation of electric power systems, 2008, 32(24): 16-20. DOI：

摘要

首先在 dq坐标系下分析了静止同步串联补偿器（SSSC）对于系统潮流的影响，给出了SSSC输出电压 d轴与q轴分量的不同功能。分析了SSSC对于潮流控制的特点，进而针对SSSC的恒功率控制方法进行了研究。状态反馈精确线性化方法的引入实现了SSSC输出电压 d轴与q轴分量之间的解耦控制。通过2个PI环节的应用，使得 d轴与q轴电压分量能分别跟踪直流电容电压与线路潮流，并改善由于状态精确反馈线性化方法的引入所带来的对于系统模型不精确以及参数不确定所引起的弱鲁棒性。数字仿真结果证实了所提出的恒功率控制方法的有效性。

Abstract

The impact of SSSC on the power flow is studied under dq reference frame firstly. Then the different functions of the d -axis and q -axis components of SSSC output voltage are analyzed. The power flow control characteristics of SSSC are studied and then the constant power flow control approach of SSSC is proposed. The SSSC output voltage is decoupled by using state feedback exact linearization approach. Then the power flow of transmission line and the DC voltage of voltage source converter can be controlled independently. Through the two PI controllers， the d -axis and q -axis components are used for controlling DC capacitor voltage and power flow in the transmission line respectively， which can make the DC capacitor voltage and power flow track the expected value. In addition， the PI control can also improve the leak robustness caused by state feedback exact linearization approach. Finally， digital simulation results show the effectiveness of the proposed control approach.

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